Insight Sensor require cookie. By default, the expiration date cookie ""v1st" is set to 2020.
By specifying expiration date on txlogd.conf, administrators can override the default. The example below will force it to expire on July 2014.
TrackingCookie v1st Cookie path=/; expires=Tue, 29 Jul 2014 00:00:00 GMT;
The cookie cannot be disabled altogether. However, if expiration date is set in the past, this will cause browser to reject the cookie.